385319825 has 24 divisors (see below), whose sum is σ = 522749280. Its totient is φ = 279417600.

The previous prime is 385319821. The next prime is 385319827. The reversal of 385319825 is 528913583.

It is not a de Polignac number, because 385319825 - 2² = 385319821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385319821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102377 + ... + 106073.

It is an arithmetic number, because the mean of its divisors is an integer number (21781220).

Almost surely, 2^385319825 is an apocalyptic number.

It is an amenable number.

385319825 is a deficient number, since it is larger than the sum of its proper divisors (137429455).

385319825 is a wasteful number, since it uses less digits than its factorization.

385319825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097 (or 4092 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 385319825 is about 19629.5650741426. The cubic root of 385319825 is about 727.6800214227.

The spelling of 385319825 in words is "three hundred eighty-five million, three hundred nineteen thousand, eight hundred twenty-five".